package com.zq.it.dao.impl.exam;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.zq.it.dao.exam.TPaperDAO;
import com.zq.it.dao.impl.BaseDao;
import com.zq.it.pojo.exam.TPaper;

/**
 * TPaperDAO的实现类
 *
 * @author 王凡
 *
 * @version $ID: TPaperDAOImpl.java 2013-3-21 王凡@$
 */

public class TPaperDAOImpl extends BaseDao<TPaper> implements TPaperDAO {
	private static final Logger log = LoggerFactory
			.getLogger(TPaperDAOImpl.class);
	// property constants
	public static final String _PNAME = "PName";
	public static final String MINUTE = "minute";
	public static final String TOTAL_SCORE = "totalScore";
	public static final String EXTEND_FIELD = "extendField";

	@Override
	public void save(TPaper transientInstance) {
		log.debug("saving TPaper instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	@Override
	public void delete(TPaper persistentInstance) {
		log.debug("deleting TPaper instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	@Override
	public TPaper findById(Long id) {
		log.debug("getting TPaper instance with id: " + id);
		try {
			TPaper instance = (TPaper) getHibernateTemplate()
					.get("com.zq.it.pojo.exam.TPaper", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@Override
	public List findByExample(TPaper instance) {
		log.debug("finding TPaper instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	@Override
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TPaper instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TPaper as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	@Override
	public List findByPName(Object PName) {
		return findByProperty(_PNAME, PName);
	}

	@Override
	public List findByMinute(Object minute) {
		return findByProperty(MINUTE, minute);
	}

	@Override
	public List findByTotalScore(Object totalScore) {
		return findByProperty(TOTAL_SCORE, totalScore);
	}

	@Override
	public List findByExtendField(Object extendField) {
		return findByProperty(EXTEND_FIELD, extendField);
	}

	@Override
	public List findAll() {
		log.debug("finding all TPaper instances");
		try {
			String queryString = "from TPaper";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	@Override
	public void update(TPaper instance) {
		log.debug("attaching dirty TPaper instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	@Override
	public List findByHql(String hql) {
		return getHibernateTemplate().find(hql);
	}
}